Portable monitoring device



FIG. 1 is a perspective view of a portable monitoring device showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is an enlarged left end view thereof; and,

FIG. 7 is an enlarged right end view thereof.

The portions of the monitoring device depicted by means of broken lines in the drawing figures form no part of the claimed design. 

CLAIM We claim the ornamental design for a portable monitoring device, as shown and described. 